California earthquakes

M1.7 earthquake 24 km NE of Greenfield, California

A magnitude 1.7 earthquake struck 24 km NE of Greenfield, California on Sat, Mar 16, 1985, 8:42 PM PST (04:42 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.0 27 km E of Tres Pinos, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1985-03-17 04:42:25 UTC
Depth
6.5 km (4.0 mi), shallow
Epicenter
36.457° N, 121.032° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.30
Depth from
From location
Station coverage gap
72°
Stations used
33

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.027 km E of Tres Pinos, California · 15157 days ago · 5 km deep · 33 km away
  2. 1.99 km NNW of Hollister, California · 15157 days ago · 2 km deep · 64 km away
  3. 1.79 km ENE of Morgan Hill, California · 15156 days ago · 5 km deep · 91 km away
  4. 2.323 km ENE of San Lucas, California · 15155 days ago · 6 km deep · 31 km away
  5. 1.611 km WNW of Templeton, California · 15155 days ago · 6 km deep · 97 km away
  6. 1.811 km WSW of Huron, California · 15155 days ago · 9 km deep · 81 km away
  7. 2.7Central California · 15155 days ago · 5 km deep · 12 km away
  8. 1.624 km ENE of Greenfield, California · 15155 days ago · 6 km deep · 3 km away
  9. 3.214 km NNW of Coalinga, California · 15155 days ago · 8 km deep · 58 km away
  10. 2.312 km ENE of Coalinga, California · 15154 days ago · 11 km deep · 78 km away
  11. 1.816 km N of Coalinga, California · 15154 days ago · 8 km deep · 65 km away
  12. 1.715 km NW of Parkfield, California · 15154 days ago · 3 km deep · 66 km away
  13. 2.015 km N of Coalinga, California · 15154 days ago · 8 km deep · 66 km away
  14. 1.78 km N of Coalinga, California · 15154 days ago · 12 km deep · 66 km away
  15. 1.77 km SSW of Huron, California · 15154 days ago · 17 km deep · 87 km away
  16. 1.815 km NNW of Coalinga, California · 15153 days ago · 7 km deep · 59 km away
  17. 3.08 km E of Coalinga, California · 15153 days ago · 9 km deep · 77 km away
  18. 1.913 km S of Tres Pinos, California · 15153 days ago · 5 km deep · 33 km away
  19. 2.321 km NE of Soledad, California · 15152 days ago · 4 km deep · 13 km away
  20. 1.98 km ENE of Morgan Hill, California · 15152 days ago · 3 km deep · 92 km away
  21. 1.518 km NNW of Coalinga, California · 15151 days ago · 9 km deep · 57 km away
  22. 2.24 km N of Coalinga, California · 15151 days ago · 14 km deep · 68 km away
  23. 1.93 km N of Coalinga, California · 15151 days ago · 14 km deep · 69 km away
  24. 1.77 km ENE of Coalinga, California · 15151 days ago · 10 km deep · 75 km away
  25. 1.722 km NE of King City, California · 15150 days ago · 6 km deep · 14 km away
  26. 1.624 km ENE of San Lucas, California · 15150 days ago · 9 km deep · 35 km away
  27. 1.719 km SE of Big Sur, California · 15150 days ago · 16 km deep · 63 km away
  28. 1.723 km NE of San Lucas, California · 15149 days ago · 8 km deep · 27 km away
  29. 1.67 km ENE of San Martin, California · 15149 days ago · 3 km deep · 85 km away
  30. 1.627 km E of Tres Pinos, California · 15148 days ago · 4 km deep · 33 km away
  31. 1.77 km ENE of San Martin, California · 15148 days ago · 3 km deep · 85 km away
  32. 1.710 km NNE of Morgan Hill, California · 15148 days ago · 3 km deep · 99 km away
  33. 2.023 km NE of King City, California · 15147 days ago · 5 km deep · 14 km away
  34. 2.026 km NW of San Simeon, California · 15147 days ago · 10 km deep · 76 km away
  35. 1.625 km NE of Greenfield, California · 15147 days ago · 3 km deep · 2 km away
  36. 1.814 km NNW of Coalinga, California · 15146 days ago · 9 km deep · 58 km away
  37. 2.411 km N of Coalinga, California · 15146 days ago · 8 km deep · 65 km away
  38. 2.37 km ENE of San Martin, California · 15146 days ago · 3 km deep · 85 km away
  39. 1.710 km SW of Ridgemark, California · 15146 days ago · 8 km deep · 50 km away
  40. 1.712 km ENE of Coalinga, CA · 15145 days ago · 5 km deep · 76 km away
  41. 1.68 km NNW of Coalinga, California · 15145 days ago · 8 km deep · 63 km away
  42. 1.924 km ENE of Soledad, California · 15145 days ago · 8 km deep · 9 km away
  43. 2.9Central California · 15144 days ago · 7 km deep · 16 km away
  44. 3.326 km NE of Soledad, California · 15144 days ago · 8 km deep · 16 km away
  45. 1.86 km NE of Coalinga, California · 15144 days ago · 7 km deep · 72 km away
  46. 2.011 km NNW of Hollister, California · 15143 days ago · 7 km deep · 66 km away
  47. 1.610 km NE of Coalinga, California · 15142 days ago · 9 km deep · 73 km away
  48. 1.711 km NE of Coalinga, California · 15142 days ago · 7 km deep · 72 km away
  49. 3.710 km NE of Coalinga, California · 15142 days ago · 9 km deep · 72 km away
  50. 2.910 km NE of Coalinga, California · 15142 days ago · 7 km deep · 73 km away
  51. 3.210 km NE of Coalinga, California · 15142 days ago · 8 km deep · 72 km away
  52. 1.610 km NE of Coalinga, California · 15142 days ago · 8 km deep · 73 km away
  53. 1.610 km NE of Coalinga, California · 15142 days ago · 7 km deep · 72 km away
  54. 1.832 km W of Three Rocks, California · 15142 days ago · 9 km deep · 25 km away
  55. 2.133 km W of Three Rocks, California · 15142 days ago · 9 km deep · 25 km away
  56. 2.410 km NE of Coalinga, California · 15142 days ago · 8 km deep · 72 km away
  57. 2.211 km NE of Coalinga, California · 15142 days ago · 6 km deep · 73 km away
  58. 1.518 km N of Coalinga, California · 15141 days ago · 7 km deep · 66 km away
  59. 2.722 km NE of Soledad, California · 15141 days ago · 2 km deep · 20 km away
  60. 1.59 km NNE of Coalinga, California · 15141 days ago · 8 km deep · 71 km away

The first 60 of 188.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc44085. Read Tue, Sep 22, 2026, 8:45 PM UTC.